.div_main {
    color: white;
    margin: 10px auto;
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    width: 80%;
}
.btnRow {
    height: 60px;
    width: 100%;
    background-color: rgb(133,132,130);

}
.div_btn {
    width: 100%;
}
.div_input {
    height: 100px;
    width: 100%;
}
.input_number {
    height: 100%;
    font-size: 2rem;  
    color: white;
    background-color: rgb(93,92,90);
}
.btn {
    width: 100%;
    height: 100%;
    border: 1px solid white;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
}
.deepGrey {
    background-color: rgb(108,107,105);
}
.lightGrey {
    background-color: rgb(133,132,130);
}
.orange {
    background-color: rgb(250,158,71);
}